There are traditional ways of disseminating information in the library to a target group or individual interest. It is important that librarians knows the right information services to provide in order to satisfy information needs of library users. The traditional CAS and SDI services rendered by libraries are as follows: Display of newly acquired materials on the display racks in the library for people to view it. Display of table... Read more »

The current awareness services: According to Edem and Unegbu, it is the responsibility of librarian to provide CAS and SDI services for the benefit of all her users. These include: It helps to keep users better informed. It provides access to needed documents. It supports Academic, Professionals and Management skills. It provides information in a preferred format. While the advantages of SDI Services include: It brings the right information... Read more »

Importance of Selective Dissemination of Information Service (SDI): Literature’s in ones field of interest and allied subjects at present are doubling at an alarming rate because of increase in the volumes of recorded information which is also growing at an alarming rate. The Kenya Methodist University Library agreed that the purpose of SDI is to help users to cope with information overload. Another reason is that the users don’t have... Read more »

Selective Dissemination of Information VS Current Awareness Service: SDI is a form of CAS. The objectives of both services is to keep the users well-informed and up-to-date in their field of research. CAS is the awareness service. It makes the user aware of the current developments that are taking place in his area of interest. Whereas SDI deals with providing the exact or pinpointed information. It is not possible to... Read more »

SDI is a type of current awareness service meant to keep the user abreast with the latest developments in the field of his interest. It is a personalized service meant for the individual or a group of users having identical information needs. It is a quick service which provides the pinpointed and exhaustive information to the users. SDI involves the screening of the document and selecting the information according to... Read more »